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Intel cPCI-7200 User Manual

Page 58

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C/C++ Libraries

clear_fifo:

0:

retain the FIFO data

1:

clear FIFO data before perform digital input

disable_di:

0:

digital input operation still active after DMA transfer complete

1:

disable digital input operation immediately when DMA transfer

complete

@ Return Code

ERR_NoError

ERR_BoardNoInit

ERR_InvalidDIOMode

ERR_InvalidDIOCnt

ERR_NotDWordAlign

ERR_DMATransferNotAllowed

5.18 _7200_DI_DMA_Status

@ Description

Since the _7200_DI_DMA_Start function is executed in background, users
can issue this function to check its operation status. This function only works
when double-buffer mode is set as disable.

@ Syntax

Visual C++ (Windows 95)

int W_7200_DI_DMA_Status (U8 *status, U32 *count)

Visual Basic (Windows 95)

W_7200_AD_Status (status As Byte, count As Long ) As Long

C/C++ (DOS)

int _7200_AD_DMA_Status (U8 *status, U32 *count)

@ Argument

status:

status of the DMA data transfer

0: DI_DMA_STOP: DMA is completed
1: DI_DMA_RUN: DMA is not completed
count:

the numbers of DI data which has been transferred.

@ Return Code

ERR_NoError